Which characteristic is essential in order for people to be considered a social group?
A. They must include people of all ages.
B. They must have shared interests.
C. They must live near one another.
D. They must include a minimum of 10 people,

I believe it is B.

Explanation:

For someone to be a social group, they might share their interests in what makes them included. A whole group of friends, for example, they are friends because they all might share the same interest. And that is a social group.

it gave them more rights

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.